AA #5 is a sensible choice for progressive push rookies as you employ more powder so a double charge will (typically) be apparent. I like AA #5 but N320 was a lot more exact. Clays burns clean but some powder measures struggle with flake powders such as this. WW 231 https://eduardoiedeb.therainblog.com/23438647/top-45-acp-brass-secrets